NXP TEA19032BT User guide

Brand: NXP

Model: TEA19032BT

Type: User guide

This manual is also suitable for

TEA19051BTK

UM11014

TEA190x evaluation overdrive (TEO)

Rev. 2 — 16 November 2018 User manual

Document information

Information Content

Keywords TEA190x, TEA1903, TEA1905, demonstration kit, Teo, UTC, software

Abstract This user manual describes the TEA190x demonstration kit. The TEA190x

demonstration kit includes software to view and change the configuration of

the TEA190x. The software also shows live data, such as USB-PD messages,

bus voltage, and current. The software is called Teo (TEA190x evaluation

overdrive). It incorporates a graphical user interface (GUI) and several

libraries to communicate with the TEA190x family and monitor USB-PD traffic.

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Table 1. Revision history

Rev Date Description

v.2 20181116 second issue

Modifications: • The text has been updated throughout the document.

• The graphics have been updated throughout the document.

v.1 20170223 first issue

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1 Introduction

Warning

The non-insulated high voltages that are present when operating this product,

constitute a risk of electric shock, personal injury, death and/or ignition of fire.

This product is intended for evaluation purposes only. It shall be operated in a

designated test area by personnel qualified according to local requirements and

labor laws to work with non-insulated mains voltages and high-voltage circuits. This

product shall never be operated unattended.

This user manual describes the TEA190x family demonstration kit. The TEA190x

demonstration kit includes software to view and change the configuration of the

TEA190x. The software also shows live data, such as USB-PD messages, bus voltage,

and current. The software is called Teo (TEA190x evaluation overdrive, second

generation) and incorporates a graphical user interface (GUI) and several libraries to

communicate with the TEA190x and monitor USB-PD traffic.

Screen pictures may differ due to small software upgrades. If major upgrades occur, this

document is updated as well.

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2 Safety warning

The TEA190x is AC mains voltage powered. Avoid touching the board while it is

connected to the mains. An isolated housing is obligatory when used in uncontrolled,

non-laboratory environments. Galvanic isolation from the mains phase using a fixed or

variable transformer is always recommended. Figure 1 shows the symbols on how to

recognize these devices.

019aab173

019aab174

a. Isolated b. Not isolated

Figure 1. Isolation symbols

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3 Kit content

The TEA190x demonstration kit contains the following items:

• Demo board: A complete USB-PD source device

• UTC: A monitoring and sink device.

• Teo: Configuration and monitoring software for Microsoft Windows

• A type-C male-male cable: Connects UTC with the TEA190x.

• A type-B to micro-B USB cable: Connects UTC to a PC.

• A USB-OTG adapter: For upgrading the UTC firmware.

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a. TEA190x demo board b. UTC - USB-PD interface

c. Teo - PC software

Figure 2. TEA190x demonstration kit contents

Note: Several demo boards with different configurations exist. The picture shown in

Figure 2 may differ from the board in the demo kit.

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3.1 Other requirements

The demo board is preconfigured. It works out of the box. Teo runs on a PC with

Microsoft Windows. The demo board configuration can be changed. To change the

configuration, Teo is required. If the evaluation of the TEA190x is done with a USB-PD

sink, a number of options are available.

• Use UTC as a USB-PD sink. Teo configures UTC to act as a USB-PD sink. The

communication between TEA190x and UTC is shown in Teo. Optionally, a load (either

an electronic or resistive one) can be connected to UTC and draw current from the

TEA190x.

• Connect a USB-PD sink and use UTC to monitor the communication between sink and

TEA190x. Teo shows the USB-PD messages from and to the TEA190x.

• Connect a USB-PD sink and use external protocol analyzers to monitor the

communication between sink and TEA190x. Teo can still be used to change the

configuration of the TEA190x.

3.2 Compatibility

Teo is available for Windows 7, Windows 8, Windows 8.1, and Windows 10. 64-bit and

32-bit versions are supported.

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4 Quick start

This section provides the information to get started as quickly as possible. It does not

replace other information elsewhere in this document. Read the remainder to get the

most out of the demonstration kit.

4.1 Requirements

• To get the board working:

– TEA190x demo board (TEA190x demonstration kit)

– An AC mains power source, 110 V to 240 V (AC), 50 Hz to 60 Hz

– A set of wires for connection to the AC mains power source

• To change settings of TEA190x:

– Teo, PC software for TEA190x (TEA190x demonstration kit)

– One of the TEA190x data sheets (TEA190x demonstration kit)

– A PC running Microsoft Windows 7 or higher

• To monitor the TEA190x:

– Preferred device to connect with TEA190x, or

– A simulated sink such as UTC and Teo (TEA190x demonstration kit), or

– A lab with the required equipment

4.2 Before installing the PC software for the TEA1905

• Leave the demo board disconnected for now.

• Leave UTC disconnected for now.

Windows installs driver packages for both hardware interfaces. When the hardware

interfaces are plugged into one of the USB ports for the first time, the drivers are installed

automatically.

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4.3 Installing the PC software

• While installing the PC software, leave UTC disconnected.

• Run the installer wizard “Install_Teo_x_y_z.exe”. X, y, and z indicate the version

number of Teo.

• Follow the instructions of the installer wizard.

Two sets of drivers are installed. During the installation, messages may appear on the

screen asking to trust an unknown publisher. To continue the drivers initialization, confirm

by clicking "Yes".

In most cases, the drivers are installed instantaneously. However, sometimes a reboot

may be required. If a reboot is required, a message appears on the screen. Reboot your

PC before continuing with the next step.

4.4 Connecting the demo board to the PC

Connect UTC to the PC with the supplied USB cable. Connect the demo board to UTC

with the supplied type-C cable.

Teo recognizes UTC and lets you configure UTC to be used as a USB-PD sink or

USBPD Sniffer.

As a safety precaution, use a type-C cable to connect the TEA190x with a device. Plug

the type-C cable into the TEA190x board before supplying the mains power source.

Use the other end to connect a device. In this way, the high voltages on the board are

avoided.

Note: Even after disconnecting the charger from the mains supply, the large capacitor

keeps it charged with a high voltage for hours.

4.5 How to use the software

The software, Teo, shows a number of tabbed pages of controls:

• Basic: Always visible

• Advanced: Always visible

• Protection: Always visible

• Extended SrcCaps: Visible when USB-PD 3 is supported

• Sink or sniffer: Only visible when UTC is connected

The last tabbed page, Sink, or Sniffer, is designed for UTC. If UTC is connected, Teo

configures UTC to be used as a USB-PD sink or as a USB-PD sniffer. By default, UTC

boots in sniffer mode. See Section 5.2, for more information about UTC. If UTC is

disconnected, the last tab is hidden.

With the first four pages, changes can be made to the configuration of the TEA190x. If a

connection via UTC exists, the changes can be written and stored.

When the configuration is changed, the TEA190x must be restarted for those changes to

take effect. The "Soft restart" button on the Basic page restarts the TEA190x.

The requested voltage and current can be changed on the Sink tab. A hard reset or

soft reset can be performed. When a new voltage request has been inserted, press

Enter or Tab to cause the change to take effect. Clicking one of the PDOs, requests the

corresponding voltage.

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Captured USB-PD messages between the TEA190x and the USB-PD sink are listed on

the Sniffer tab.

If Teo fails to recognize the demo board, choose Scan interfaces from the Options

menu, to have Teo look again for known interfaces. Select the desired interface from the

Interface menu under Options.

When an interface is selected, Teo attempts to set up a connection with the TEA190x. If

the connection setup is successful, Teo reads all settings from the MTP memory.

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5 Hardware

The TEA190x demonstration kit incorporates a fully operational USB-PD source. It also

contains UTC, a peripheral device to change and monitor the behavior of the TEA190x.

5.1 The TEA190x demo board

The TEA190x demo board has a primary and secondary supply. The primary side is

connected to a mains source from 110 V (AC) to 240 V (AC) with wires. The frequency is

50 Hz or 60 Hz (see one of the TEA190x data sheets for the complete specification).

The secondary stage delivers power through a USB type-C female connector.

a. Type-C

b. Mains

Figure 3. TEA1905 demo board

Note: The board in the demonstration kit may look different from the pictures shown in

Figure 3.

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5.2 UTC

UTC (USB-PD Type-C controller) includes a micro-USB receptacle, a male type-C

connector, and a female type-C connector. The micro-USB receptacle can be connected

to a type-B connector on the PC with the cable supplied.

UTC receives operating power and communicates with Teo via the micro-USB

connection. In essence, the only difference between the two type-C connectors is the

gender. It allows UTC to be connected between a USB-PD source and sink.

UTC has access to the CC lines, can monitor and inject USB-PD messages, and

measures voltage and current on V

bus

UTC operates in two different modes:

• Sink

• Sniffer

5.2.1 Sink mode

In sink mode, UTC acts as a USB-PD sink. It responds to a source being attached or

detached, just like a normal USB-PD sink does. UTC negotiates a contract and sends the

messages and state changes to Teo.

5.2.2 Sniffer mode

In sniffer mode, UTC ‘sits’ in the middle. It is invisible to both the TEA190x and the USB-

PD sink. USB-PD messages from/to the TEA190x are captured and sent to Teo.

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6 Software

The demonstration kit includes software to view and change the configuration of

TEA190x. The software also shows live data, such as USB-PD messages, bus voltage,

and current. The software is called TEA190x evaluation overdrive (Teo). To communicate

with TEA190x and monitor USB-PD traffic, it includes a graphical user interface (GUI)

and several libraries.

6.1 Installation

Teo, its libraries, and drivers are installed with a single installation wizard.

When the installation wizard is launched, the Windows user account control may ask if

you trust the application from an unknown publisher (see Figure 4). Click Yes to proceed

with the installation.

Figure 4. Windows user account control

The installation wizard can be run without deinstalling an existing installation. In this

way, for example, a broken installation can be fixed or an earlier failed attempt can be

completed.

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Figure 5. Teo installation wizard

Note: Use Windows control panel to uninstall Teo.

6.1.1 Before installing the PC software for the TEA1905

• Leave the demo board disconnected for now.

• Leave UTC disconnected for now.

Driver packages for UTC are installed. When UTC is plugged into one of the USB ports

for the first time, the drivers are installed automatically.

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6.1.2 Installing the PC software

• While installing the PC software, leave UTC disconnected.

• Run the installer wizard “Install_Teo_x_y_z.exe”. X, y, and z indicate the version

number of Teo.

• Follow the instructions of the installer wizard.

During installation, you may be asked to trust the software publisher twice. Confirm with

Yes to continue the driver package installation.

A progress dialog appears while the driver packages are installed.

Most likely, the software is installed and ready to use instantaneously. However, in some

cases a reboot is required. If a reboot is required, a message is shown. In that case,

reboot your PC to finish the installation.

6.2 User interface

Teo has a number of tabbed pages, each with a number of controls. The pages Basic,

Advanced, and Protection, show the contents of the MTP memory of the TEA190x.

These controls visualize the parameters of the settings of the device. They allow the user

to modify their values. Some parameters are specific for certain devices. So, the layout

may vary per device and differ from the screenshots in this document.

A fifth tabbed page is reserved for UTC.

Figure 6. Settings

The Basic page contains the definition of seven PDOs and a number of hardware and

software configuration settings. See the TEA190x data sheets for an explanation of these

settings.

Figure 7. Basic tab: PDOs

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If UTC is connected, live data is shown at the bottom of the Basic page.

The actual V

bus

voltage and current measured by UTC and the firmware version of the

device are shown. The Soft Restart button reboots the demo board.

For more details on UTC, see Section 6.6.

Figure 8. Voltage and current

The Protection page contains all settings that deal with protection against high

temperatures, overvoltage, undervoltage, and overcurrent.

Figure 9. Protection page

The Advanced page contains less frequently changed settings and settings that require a

thorough understanding of their purpose. The settings that deal with the discharge curve

are grouped in a separate box. For more details, see the TEA190x data sheets.

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Figure 10. Advanced page

The Extended SrcCaps page contains parameters that deal with USB-PD 3 extended

source capabilities. This page is only visible if USB-PD 3 compatibility is enabled on the

Basic page.

Figure 11. Extended SrcCaps page

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6.3 Connecting Teo to the demo board

Teo can read and update the configuration of the TEA190x on the demo board. The

configuration is stored in MTP memory. The MTP memory is accessible via the type-C

receptacle and vendor defined messages (VDM). For more information on MTP memory,

see Section 6.4.2, and Section 6.4.

To read and write MTP memory, Teo requires UTC in sink mode and a PD contract

between UTC and the demo board.

At start-up, Teo looks for UTC and initializes the connection if one is found. If UTC is

unavailable at start-up, the Sink and Sniffer page are hidden and the UTC controls are

disabled.

Whenever a USB device is inserted or removed, Teo automatically scans for known

hardware interfaces. Optionally, Teo can be instructed to look for UTC and other

interfaces with the menu option: Options > Scan interfaces.

Figure 12. Menu option: Options > Scan interfaces

In addition to UTC, a few other interfaces are supported and may be available in

the Options > Interface menu. Support for Aardvark, FT201XM, FT232H, and two

hardwareless emulators are built in. The Hardwareless simulators are not real interfaces.

The only purpose of the simulators is to demonstrate the software without any external

hardware.

When an interface is ready to use, Teo attempts to communicate with the TEA190x. It

tries to set up a remote function call (RFC) protocol. If successful, Teo proceeds with

reading the MTP memory contents and updating the tabbed pages accordingly.

The status bar at the bottom of the main window of Teo shows information about the

current connection. The text in the status bar shows the name of the interface and

optionally, version information or serial numbers. The icon in the left corner shows a plug

and receptacle. If the two are connected, a valid connection has been set up and the

entire MTP memory is read. If a connection could not be established or reading of MTP

memory failed, the icon shows a disconnected plug and receptacle. During initialization of

the RFC protocol, the text "Initializing..." is shown. When reading the MTP memory, the

text "Reading settings…" is shown.

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a. Connected

b. Communication error

c. Disconnected

Figure 13. Teo software: Status bar

Note: The TEA190x demo board must be powered on and UTC must have established a

PD contract before the MTP memory can be accessed.

6.4 Configuration

6.4.1 Configuring UTC for communication

To communicate with TEA190x, UTC must be in sink mode. If UTC is in sink mode, a

tabbed page Sink is visible. If UTC is in sniffer mode, a tabbed page Sniffer is visible. If

UTC is disconnected, the Sink and Sniffer pages are invisible.

To switch UTC from sniffer to sink mode, select Options > UTC > USB-PD sink from the

menu or press the Battery button on the toolbar.

When UTC connects to the PC, it always starts up in sniffer mode. In this way,

interference with a USB-PD sink that might be connected already is prevented.

Whenever it connects to the PC, Teo can automatically change UTC to sink mode. If

UTC is primarily used as a USB-PD sink, check the menu Options > UTC > Configure as

Sink on connect.

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Figure 14. Menu Options > UTC > Configure as Sink on connect

When UTC is in Sink mode, it negotiates a power contract with TEA190x automatically.

For more details about changing UTC settings in Sink mode, see Section 6.6.1. A power

contract is mandatory for communication between Teo and TEA190x. When a power

contract exists, Teo communicates with TEA190x through remote function calls (RFC)

over vendor defined messages (VDM).

Notes:

- In sniffer mode, UTC only listens to USB traffic and does not participate in

communication.

- Only one USB-PD sink at a time can be attached to a USB-PD source.

6.4.2 Reading the configuration

When Teo starts up and a TEA190x is connected, the MTP memory is read

automatically. You can manually read/reread the MTP memory, by choosing Options >

Read MTP. Teo always reads the entire MTP memory.

Figure 15. MTP progress

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NXP TEA19032BT User guide

Brand: NXP

Model: TEA19032BT

Type: User guide

This manual is also suitable for

TEA19051BTK

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NXP TEA19032BT User guide

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